shared/util: Fix undefined behavior of left shift

When left-shifting 1, we should be explicit that it is an unsigned 1.

Signed-off-by: Anuj Jain <anuj01.jain@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>

diff --git a/src/shared/util.c b/src/shared/util.c
index 99aa525..230f7d3 100755 (executable)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -139,7 +139,7 @@ uint8_t util_get_uid(unsigned int *bitmap, uint8_t max)
        if (!id || id > max)
                return 0;
 
-       *bitmap |= 1 << (id - 1);
+       *bitmap |= 1u << (id - 1);
 
        return id;
 }
@@ -150,7 +150,7 @@ void util_clear_uid(unsigned int *bitmap, uint8_t id)
        if (!id)
                return;
 
-       *bitmap &= ~(1 << (id - 1));
+       *bitmap &= ~(1u << (id - 1));
 }
 
 static const struct {